| article html file updated | 6 February 2020 17:35 CET | Update | https://www.mdpi.com/2218-273X/5/2/378 |
| article html file updated | 6 May 2019 22:04 CEST | Update | - |
| article html file updated | 26 March 2019 00:33 CET | Update | - |
| article html file updated | 21 August 2015 10:21 CEST | Update | - |
| article html file updated | 9 July 2015 09:49 CEST | Original file | - |
| article xml file uploaded | 9 July 2015 09:49 CEST | Original file | https://www.mdpi.com/2218-273X/5/2/378/xml |
| article pdf uploaded. | 14 April 2015 11:07 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/2/378/pdf |
